body
{
    margin 5px;
    padding : 0px;
    font : 100% Arial,Helvetica,sans-serif;;
}

div#div_main
{
    width: 1000px;
    margin: 0 auto;
}

a
{
    text-decoration: none;
    color: #0000FF;
}

a:hover
{
    color: #AAAAFF;
}